UCZ1H821MNQ1ZD

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Aluminum electrolytic capacitors are polarized electrolytic capacitors whose anodes are made of a pure aluminum foil with an etched surface. They have very large capacitance values up to several thousand µF with low equivalent series resistance, making them well-suited for high-frequency decoupling and other uses in electronics. The UCZ1H821MNQ1ZD additionally has a non-solid electrolyte, resulting in a relatively low leakage current and high temperature stability. Understanding the application field and working principle of the UCZ1H821MNQ1ZD can be beneficial when selecting an electrolytic capacitor for an application.

Application Field

Aluminum electrolytic capacitors are increasingly used in switching power supply applications, as they have very low equivalent series resistance (ESR) and come in a variety of sizes. The UCZ1H821MNQ1ZD is made with a non-solid electrolyte, which provides low leakage current and high temperature stability. This makes it ideal for use in high-frequency ripple current, pulse voltage filtering, and power filtering applications. It has a maximum operating temperature of 85°C, making it suitable for systems that work with a high temperature. Additionally, its low ESR enables it to reduce the power loss in the circuit and increase efficiency.

Working Principle

The working principle of the UCZ1H821MNQ1ZD follows the same basic principles as other aluminum electrolytic capacitors. First, the anode of the capacitor is made of aluminum foil, which is then etched to create a surface for the electrolyte to be absorbed into. The non-solid electrolyte is then absorbed into the etched surface, becoming the dielectric for the capacitor. When an electrical potential is applied to the capacitor, the electrolyte is polarized, forming an asymmetric structure which creates a capacitance. The capacitance is then maintained until the potential is removed.

The UCZ1H821MNQ1ZD has a maximum capacitance of 820 µF, making it suitable for high-frequency ripple current and pulse voltage filtering applications. Its non-solid electrolyte has a low leakage current and provides high temperature stability, making it ideal for systems that require reliable performance under extreme temperature conditions. Additionally, its low ESR allows for greater efficiency in the circuit it is being used in.

Conclusion

The UCZ1H821MNQ1ZD is an aluminum electrolytic capacitor with a non-solid electrolyte, which provides low leakage current and high temperature stability. It is primarily used in high-frequency ripple current, pulse voltage filtering and power filtering applications, due to its low equivalent series resistance and high capacitance of up to 820 µF. Understanding its application field and its working principle is essential when selecting an electrolytic capacitor for a particular application.

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